Peroneal Tendonitis

Peroneal tendonitis is inflammation of the tendons along the outside of the ankle that help stabilize the foot. It is common in runners and athletes who perform repetitive side to side movements.

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Typical Recovery Time

Recovery typically takes 4 to 8 weeks depending on severity.

Symptoms

•Outer ankle pain
•Swelling
•Pain with activity
•Instability feeling
•Tenderness

Common Causes

•Overuse
•Ankle sprain history
•High arches
•Training errors
•Improper footwear

Treatment Options

1Physical therapy

2Activity modification

3Ankle bracing

4Anti-inflammatory medication

5Orthotics

When to See a Doctor

See a doctor if pain persists or ankle instability continues.

Frequently Asked Questions

What is peroneal tendonitis?

Peroneal tendonitis is irritation of the tendons on the outside of the ankle. These tendons help stabilize the ankle and foot. When inflamed, they can cause pain and weakness along the outer ankle.

What causes peroneal tendonitis?

It is often caused by overuse, especially in runners or athletes on uneven surfaces. Repetitive ankle motion or prior ankle sprains can increase risk. Foot alignment can also contribute.

What are the symptoms?

Symptoms include pain along the outside of the ankle, swelling, and tenderness. Pain may worsen with walking, running, or side-to-side movements. Some people feel instability or weakness.

How is it treated?

Treatment includes rest, bracing, physical therapy, and activity modification. Strengthening and balance exercises are important. Persistent cases may require imaging or further intervention.

When can I return to sports?

Return depends on pain, strength, and ankle stability. Many athletes improve over several weeks with proper rehab. Gradual return helps reduce reinjury risk.